S = 12a
s represent number of student
a represent number of adult
Even though it may look like the option is E the real answer is that the variables are invesely related. So your answer will be D
Answer:
So the body won't fall out.
Step-by-step explanation:
100%/x%=300/111(100/x)*x=(300/111)*x 100=2.7027027027*x 100/2.7027027027=x 37=x x=37%
The first two are equivalent to 15 = k + 13
8 = k + 13 - 7 → ( add 7 to both sides )
8 + 7 = k + 13 ⇒ 15 = k + 13 ' is equivalent '
12 = k + 13 - 3 → ( add 3 to both sides )
12 + 3 = k + 13 ' is equivalent '